Updating textproc/p5-YAML from 0.71nb1 to 0.72

Upstream changes:
version: 0.72
date:    Wed Sep 1 11:54:00 AEST 2010
changes:
- Upgrade to Module::Install 1.00
- Upgraded author tests via new ADAMK release automation
- Normalise Ingy's name to ASCII in Makefile.PL so that we don't have
  Unicode in our own META.yml

(sno)